Boston University

Research Associate Professor Questrom School of Business at Boston University

Harvard Medical School

Professor of Clinical Medicine at Harvard Medical School

Carlson School of Management

Professor at Carlson School of Management

University of Cape Town

Emeritus Professor at University of Cape Town

Smith School of Business

Associate Professor at Smith School of Business

Smith School of Business

Associate Professor at Smith School of Business

McCombs School of Business

Associate Dean for Research, Professor at McCombs School of Business

BI Norwegian Business School

Professor of Logistics at BI Norwegian Business School

The Wharton School

The Whitney M. Young Jr. Professor at The Wharton School

USC Marshall School of Business

Charles L. and Ramona I. Hilliard Professor of Business Administration, & Professor of Marketing at USC Marshall School of Business